NE851M13
TYPICAL PERFORMANCE CURVES (TA = 25°C)
NOISE FIGURE and ASSOCIATED GAIN
vs. COLLECTOR CURRENT
NOISE FIGURE and ASSOCIATED GAIN
vs. COLLECTOR CURRENT
6
5
4
3
18
6
5
4
3
2
1
0
19
15
12
9
V
CE = 1 V
V
CE = 2 V
f = 1 GHz
f = 1 GHz
15
G
a
G
a
12
9
6
2
1
0
6
NF
3
3
0
NF
0
100
1
10
1
10
100
Collector Current, IC (mA)
Collector Current, IC (mA)
NOISE FIGURE and ASSOCIATED GAIN
vs. COLLECTOR CURRENT
NOISE FIGURE and ASSOCIATED GAIN
vs. COLLECTOR CURRENT
6
5
4
3
18
6
18
15
12
9
V
CE = 1 V
V
CE = 2 V
f = 2 GHz
f = 2 GHz
15
5
4
3
2
1
0
12
9
G
a
G
a
6
6
2
1
0
NF
NF
3
3
0
0
100
1
10
1
10
100
Collector Current, IC (mA)
Collector Current, IC (mA)
OUTPUT POWER AND
COLLECTOR CURRENT vs.
INPUT POWER
OUTPUT POWER AND
COLLECTOR CURRENT vs.
INPUT POWER
25
25
20
15
10
5
80
70
60
50
40
30
20
10
0
80
70
60
50
40
30
20
10
0
V
CE = 2 V, f = 1 GHz
V
CE = 2 V, f = 2 GHz
Icq = 5 mA (RF OFF)
Icq = 5 mA (RF OFF)
20
15
10
5
P
out
Pout
0
0
-5
-5
IC
-10
-10
I
C
-15
-20
-15
-20
-15
-10
-5
0
5
10
-15
-10
-5
0
5
10
Input Power, PIN (dBm)
Input Power, PIN (dBm)
CEL [ CALIFORNIA EASTERN LABS ]
